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L810-MiniPCIeHardware User Manual
Page 8 of 26
Pin
Pin name
I/O
Reset Value
Pin description
Type
8
USIM_VCC
PO
-
Power supply for external USIM
card
1.8V/3V
10
USIM_IO
I/O
L
USIM data signal
1.8V/3V
12
USIM_CLK
O
L
USIM clock signal
1.8V/3V
14
USIM_RST
O
L
USIM reset signal
1.8V/3V
USB
36
USB_D-
I/O
T
USB D- signal
0.3---3V
38
USB_D+
I/O
T
USB D+ signal
0.3---3V
Other functions
20
W_DISABLE
I
PU
Low effective, and enters Flight
mode
3.3V
42
LPG
O
PU
Network status indicator, output
signal
3.3V
17
WAKE_HOST
O
PU
Wake up host
3.3V
RESET
22
PERST#
I
PU
External reset signal
3.3V
Digital voice
45
I2S2_CLK
O
PD
I2S clock
CMOS 1.8V
47
I2S2_TX
O
PD
I2S data transmit
CMOS 1.8V
49
I2S2_RX
I
PD
I2S data receive
CMOS 1.8V
51
I2S_WA0
O
PD
I2S left and right channel clock
(LRCK)
CMOS 1.8V
Serial port
11
UART1_RX
I
PU
UART1 data receive signal
3.3V
13
UART1_TX
O
PU
UART1 data transmit signal
3.3V
23
UART1_CTS
I
PU
UART1 clear to send signal
3.3V
25
UART1_RTS
O
PU
UART1 request to send signal
3.3V
NC
1
-
3
-
5
-
6
-
